fix: SparqlService drop method behaviour

cognizone · Nov 4, 2024 · de41061 · de41061
1 parent a91c7a9
commit de41061
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Showing 3 changed files with 10 additions and 2 deletions.
diff --git a/...ctor-fuseki/src/main/java/zone/cogni/semanticz/connectors/fuseki/FusekiSparqlService.java b/...ctor-fuseki/src/main/java/zone/cogni/semanticz/connectors/fuseki/FusekiSparqlService.java
@@ -129,6 +129,6 @@ public boolean executeAskQuery(String askQuery) {
 
   @Override
   public void dropGraph(String graphUri) {
-    executeUpdateQuery("drop graph <" + graphUri + ">");
+    executeUpdateQuery("drop silent graph <" + graphUri + ">");
   }
 }
diff --git a/...r-graphdb/src/main/java/zone/cogni/semanticz/connectors/graphdb/GraphDBSparqlService.java b/...r-graphdb/src/main/java/zone/cogni/semanticz/connectors/graphdb/GraphDBSparqlService.java
@@ -101,6 +101,6 @@ public boolean executeAskQuery(String askQuery) {
 
   @Override
   public void dropGraph(String graphUri) {
-    executeUpdateQuery("clear graph <" + graphUri + ">");
+    executeUpdateQuery("CLEAR SILENT GRAPH <" + graphUri + ">");
   }
 }
diff --git a/...onnectors-common/src/main/java/zone/cogni/semanticz/connectors/general/SparqlService.java b/...onnectors-common/src/main/java/zone/cogni/semanticz/connectors/general/SparqlService.java
@@ -46,6 +46,14 @@ default void upload(Model model, String graphUri) {
 
   <R> R executeSelectQuery(String query, Function<ResultSet, R> resultHandler);
 
+  /**
+   * Deletes all triples from the named graph with the given URI.
+   * It might also delete the graph itself in case the store supports it.
+   *
+   * This method does not fail even if the named graph does not exist.
+   *
+   * @param graphUri named graph URI
+   */
   void dropGraph(String graphUri);
 
   /**